npm install -g snarkjs
# or
yarn global install snarkjs
Do your contribution
# first get the latest contribution
$ ls -1 ./participations | tail -n 1
4201_anoynmous.zkey
# do you contribution# Feel free to put your name / twitter handler / keybase
$ snarkjs zkey contribute ./participations/00xx_anoynmous.zkey ./participations/4202_my_name.zkey --name="My Name" -v